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268979 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

268979: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR W/ROUNDED CORNERS, width: 1.000 INCHES NOMINAL IN, length: 3.750 INCHES NOMINAL IN, thickness: 0.130 INCHES NOMINAL IN, end_item_identification: MINE PROTECTED CLEARANCE VEHICLE NSN 2355-01-567-4930, part_name_assigned_by_controlling_agency: PLATE, ROLLER MTG A2 BUFFALO CARC. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-581-8714, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
268979
NSN: 5340-01-581-8714
FSC: 5340 — Hardware, Commercial
CAGE: 1EAE2 — VANAIR MANUFACTURING INC (USA)
SPECIFICATIONS
shapeRECTANGULAR W/ROUNDED CORNERS
width1.000 INCHES NOMINAL IN
length3.750 INCHES NOMINAL IN
thickness0.130 INCHES NOMINAL IN
end_item_identificationMINE PROTECTED CLEARANCE VEHICLE NSN 2355-01-567-4930
part_name_assigned_by_controlling_agencyPLATE, ROLLER MTG A2 BUFFALO CARC
NSN5340-01-581-8714
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 268979 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LENGTH: 3.750 INCHES NOMINAL IN
•
SHAPE: RECTANGULAR W/ROUNDED CORNERS
•
WIDTH: 1.000 INCHES NOMINAL IN
•
THICKNESS: 0.130 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH3.750 INCHES NOMINAL IN
SHAPERECTANGULAR W/ROUNDED CORNERS
WIDTH1.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE, ROLLER MTG A2 BUFFALO CARC
END ITEM IDENTIFICATIONMINE PROTECTED CLEARANCE VEHICLE NSN 2355-01-567-4930
THICKNESS0.130 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
10022399Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 268979?
268979 is a PLATE,MOUNTING.
What parts can replace 268979?
There is 1 known substitute for 268979: 10022399. Substitute compatibility should be verified for your specific system.
What is the NSN for 268979?
268979 is cataloged in the U.S. Government catalog under NSN 5340-01-581-8714. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.